Brinyte S28 tactical flashlight uses one CREE XM-L2(U4) LED and can reach max 1000 lumens output. This flashlight is powered by one 18650 battery with max 10 hours run time.The tail-cap switch design, it’s easy to operate. IP68 standard waterproof features and 500 meters long beam distance, Brinyte S28 is one of your best choice for military, security ,hunting and outdoor lighting. Custom service for mode, package and accessories are available.